Diagonal machine. A small square wooden frame, about a foot wide. A slightly smaller frame slides horizontally out. A brass ball on a string and attached to a pulley on the smaller frame moves diagonally upwards as the frame is slid horizontally.

Title

Diagonal machine. A small square wooden frame, about a foot wide. A slightly smaller frame slides horizontally out. A brass ball on a string and attached to a pulley on the smaller frame moves diagonally upwards as the frame is slid horizontally.

Identifier

ABDNP:201403a

Description

Demonstration originated by James Ferguson to illustrate that the sum of compound motions at right angles produce a diagonal displacement. Wooden frame sliding element holding with brass ball on rod that slides up rod as frame is moved sideways. Disk "Univ. Abdn. Nat. Phil."

Date

1780-1790

Format

wood, brass, string
255 mm wide, 75 mm deep, height 225 mm

Creator

Patrick Copland

Type

Physical Object

UUID

78cf3ab6-c976-45bb-b60d-f47dc6e67495

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